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The expression (11.98 * 11.98 + 11.98 * (x) + 0.02 * 0.02) will be a perfect square for x equal to :

Correct Answer: 0.04

Explanation:

Given = (11.98)^2 + (0.02)^2 + 11.98 * x. 


For the given expression to be a perfecr square, we must have


11.98 * x = 2 * 11.98 * 0.02 => x = 0.04


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